#include <stdio.h>

typedef unsigned char *byte_pointer;

void show_bytes(byte_pointer start, int len){
  int i;
  for(i=0;i<len;i++)
  printf("%.2x",start[i]);
  printf("\n");
}

void show_int(int x){
     show_bytes((byte_pointer) &x, sizeof(int));
}

void show_float(float x){
    show_bytes((byte_pointer) &x,sizeof(float));
}

void show_pointer(void *x){
        show_bytes((byte_pointer) &x,sizeof(void *));
}
void main(){
	int a;
	printf("input your number:");
	scanf("%d",&a);
	float b =(float) a;
	int *c=&a;
	show_int(a);
	show_float(b);
	show_pointer(c);
}
